package com.example.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.common.QueryPageParam;
import com.example.common.Result;
import com.example.pojo.Goods;
import com.example.pojo.Record;
import com.example.service.GoodsService;
import com.example.service.RecordService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.time.LocalDateTime;
import java.util.HashMap;

@RestController
@RequestMapping("/record")
public class RecordController {
    @Autowired
    private RecordService recordService;
    @Autowired
    private GoodsService goodsService;
    //新增
    @PostMapping("/save")
    public Result save(@RequestBody Record record) {
        Goods goods=goodsService.getById(record.getGoods());
        int n=record.getCount();
        //出库
        if("2".equals(record.getAction())){
            n=-n;
            record.setCount(n);
        }
        int num=goods.getCount()+n;
        goods.setCount(num);
        record.setCreatetime(LocalDateTime.now());
        goodsService.updateById(goods);
        return recordService.save(record) ? Result.success() : Result.error();
    }
    //查询
    @PostMapping("/listPage")
    public Result listPage(@RequestBody QueryPageParam query) {
        HashMap param = query.getParam();
        String name = (String) param.get("name");
        String storage = (String) param.get("storage");
        String goodstype = (String) param.get("goodstype");
        String roleId = (String) param.get("roleId");
        String userId = (String) param.get("userId");
        Page<Record> page = new Page();
        page.setCurrent(query.getPageNum());
        page.setSize(query.getPageSize());
        QueryWrapper<Record> queryWrapper = new QueryWrapper();
        queryWrapper.apply(" a.goods=b.id and b.storage=c.id and b.goodsType=d.id ");
        if("2".equals(roleId)){
            queryWrapper.apply(" a.userId= "+userId);
        }
        if (StringUtils.isNotBlank(name) && !"null".equals(name)) {
            queryWrapper.like("b.name",name);
        }
        if (StringUtils.isNotBlank(goodstype) && !"null".equals(goodstype)) {
            queryWrapper.eq("d.id",goodstype);
        }
        if (StringUtils.isNotBlank(storage) && !"null".equals(storage)) {
           queryWrapper.eq("c.id",storage);
        }
        IPage result = recordService.pageCC(page, queryWrapper);
        return Result.success(result.getTotal(), result.getRecords());
    }
}
